Silver
Sjra The Woodlands
Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.
16
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 6 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-10-01 | AC68654 | ND |
| 2014-10-01 | AC68652 | ND |
| 2014-10-01 | AC68655 | ND |
| 2014-10-01 | AC68650 | ND |
| 2014-10-01 | AC68656 | ND |
| 2014-10-01 | AC68653 | ND |
| 2016-05-03 | AD35009 | ND |
| 2016-05-03 | AD35008 | ND |
| 2017-03-09 | AD74287 | ND |
| 2017-04-19 | AD80097 | ND |
| 2017-04-19 | AD80102 | ND |
| 2017-04-19 | AD80101 | ND |
| 2017-04-19 | AD80098 | ND |
| 2017-04-19 | AD80099 | ND |
| 2019-03-21 | AE59435 | ND |
| 2019-03-21 | AE59438 | ND |